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ASoC: ml26124: Remove duplicate code 

Current code has duplicate code for 16000, 32000 and 48000 sample rates.
get_srate() returns negative error code for unsupported rate, so we can
remove the duplicate code in the swith cases by calling get_srate() first.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2015-06-14 10:28:01 +08:00 committed by Mark Brown
parent b787f68c36
commit b43fccf4b5
1 changed files with 11 additions and 47 deletions
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58
sound/soc/codecs/ml26124.c
View File

@ -341,6 +341,7 @@ static int ml26124_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_codec *codec = dai->codec;
struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec);
int i = get_coeff(priv->mclk, params_rate(hw_params));
int srate;
if (i < 0)
return i;
@ -370,53 +371,16 @@ static int ml26124_hw_params(struct snd_pcm_substream *substream,
BIT(0) | BIT(1), 0);
}
switch (params_rate(hw_params)) {
case 16000:
snd_soc_update_bits(codec, ML26124_SMPLING_RATE, 0xf,
get_srate(params_rate(hw_params)));
snd_soc_update_bits(codec, ML26124_PLLNL, 0xff,
coeff_div[i].pllnl);
snd_soc_update_bits(codec, ML26124_PLLNH, 0x1,
coeff_div[i].pllnh);
snd_soc_update_bits(codec, ML26124_PLLML, 0xff,
coeff_div[i].pllml);
snd_soc_update_bits(codec, ML26124_PLLMH, 0x3f,
coeff_div[i].pllmh);
snd_soc_update_bits(codec, ML26124_PLLDIV, 0x1f,
coeff_div[i].plldiv);
break;
case 32000:
snd_soc_update_bits(codec, ML26124_SMPLING_RATE, 0xf,
get_srate(params_rate(hw_params)));
snd_soc_update_bits(codec, ML26124_PLLNL, 0xff,
coeff_div[i].pllnl);
snd_soc_update_bits(codec, ML26124_PLLNH, 0x1,
coeff_div[i].pllnh);
snd_soc_update_bits(codec, ML26124_PLLML, 0xff,
coeff_div[i].pllml);
snd_soc_update_bits(codec, ML26124_PLLMH, 0x3f,
coeff_div[i].pllmh);
snd_soc_update_bits(codec, ML26124_PLLDIV, 0x1f,
coeff_div[i].plldiv);
break;
case 48000:
snd_soc_update_bits(codec, ML26124_SMPLING_RATE, 0xf,
get_srate(params_rate(hw_params)));
snd_soc_update_bits(codec, ML26124_PLLNL, 0xff,
coeff_div[i].pllnl);
snd_soc_update_bits(codec, ML26124_PLLNH, 0x1,
coeff_div[i].pllnh);
snd_soc_update_bits(codec, ML26124_PLLML, 0xff,
coeff_div[i].pllml);
snd_soc_update_bits(codec, ML26124_PLLMH, 0x3f,
coeff_div[i].pllmh);
snd_soc_update_bits(codec, ML26124_PLLDIV, 0x1f,
coeff_div[i].plldiv);
break;
default:
pr_err("%s:this rate is no support for ml26124\n", __func__);
return -EINVAL;
}
srate = get_srate(params_rate(hw_params));
if (srate < 0)
return srate;
snd_soc_update_bits(codec, ML26124_SMPLING_RATE, 0xf, srate);
snd_soc_update_bits(codec, ML26124_PLLNL, 0xff, coeff_div[i].pllnl);
snd_soc_update_bits(codec, ML26124_PLLNH, 0x1, coeff_div[i].pllnh);
snd_soc_update_bits(codec, ML26124_PLLML, 0xff, coeff_div[i].pllml);
snd_soc_update_bits(codec, ML26124_PLLMH, 0x3f, coeff_div[i].pllmh);
snd_soc_update_bits(codec, ML26124_PLLDIV, 0x1f, coeff_div[i].plldiv);
return 0;
}